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Forum: Main CFD Forum

September 21, 2012, 09:03

Replies: 12

Wall shear stress in channel flow-plus and minus

Views: 2,372

Posted By ogloth

cool, a channel with no pressure loss ... ;-)

cool, a channel with no pressure loss ... ;-)

Forum: Main CFD Forum

September 21, 2012, 05:07

Replies: 12

Wall shear stress in channel flow-plus and minus

Views: 2,372

Posted By ogloth

The normal vectors of your control volume also...

The normal vectors of your control volume also point into different directions -- hence the difference in sign is cancelled and you get a negative momentum flux on both sides (compensated by the...

Forum: Main CFD Forum

September 21, 2012, 04:59

Replies: 12

Wall shear stress in channel flow-plus and minus

Views: 2,372

Posted By ogloth

Did you forget to multiply with the normal vector...

Did you forget to multiply with the normal vector of the wall/control volume ...??

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